Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/15/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Distance(km) Time Diff (sec)
1 03/16/2025 15:17:25 70.88, -54.64 72.42 03/16/2025 15:18:32 70.77, -52.38 72.21 83.71 67
2 03/16/2025 16:07:51 -69.98, 114.11 108.56 03/16/2025 16:08:14 -70.00, 114.13 108.54 2.50 23
3 03/16/2025 16:58:36 69.89, -78.45 71.34 03/16/2025 16:57:41 69.89, -78.38 71.35 2.85 55
4 03/19/2025 07:34:01 70.06, 62.45 70.49 03/19/2025 07:35:10 70.06, 62.47 70.47 1.14 69
5 03/19/2025 08:24:42 -69.95,-130.06 109.66 03/19/2025 08:24:40 -69.95,-130.05 109.65 0.37 2
6 03/19/2025 09:15:22 69.60, 37.77 69.97 03/19/2025 09:14:10 69.67, 37.21 70.07 22.99 72
7 03/21/2025 23:50:51 70.00, 178.33 69.35 03/21/2025 23:51:35 70.01, 178.30 69.36 1.75 44
8 03/22/2025 00:41:32 -69.88, -14.16 110.79 03/22/2025 00:41:05 -69.90, -14.22 110.77 3.28 27
9 03/24/2025 15:17:12 -70.86, 125.45 110.79 03/24/2025 15:18:19 -70.78, 127.69 110.95 82.29 67
10 03/24/2025 16:07:41 69.95, -65.80 68.24 03/24/2025 16:07:59 69.96, -65.88 68.24 3.04 18
11 03/24/2025 16:58:23 -69.88, 101.63 111.86 03/24/2025 16:57:29 -69.85, 101.61 111.88 3.15 54
12 03/27/2025 07:33:46 -70.04,-117.45 112.72 03/27/2025 07:34:54 -70.02,-117.52 112.74 3.13 68
13 03/27/2025 08:24:31 69.97, 49.97 67.20 03/27/2025 08:24:20 69.96, 50.03 67.19 2.67 11
14 03/27/2025 09:15:07 -69.57,-142.13 113.23 03/27/2025 09:13:55 -69.58,-142.86 113.19 28.21 72

Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/15/2025
SNOs_Map_NOAA-20_LANDSAT-8_20250315.jpg

Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 03/15/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-8